You drive your car along the highway at a constant 60 km/h and apply the brakes until the car slows to 40 km/h. If at that moment you suddenly release the brakes, the car tends to
A) momentarily regain its higher initial speed.
B) continue moving at 40 km/h.
C) decrease in speed if no other forces act.
Answer: B
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A 3.0-kg block slides on a frictionless 20° inclined plane. A force of 16 N acting parallel to the incline and up the incline is applied to the block. What is the acceleration of the block?
a. 2.0 m/s2 down the incline b. 5.3 m/s2 up the incline c. 2.0 m/s2 up the incline d. 3.9 m/s2 down the incline e. 3.9 m/s2 up the incline
The physical bases of life on Earth are oxygen and water
a. True b. False Indicate whether the statement is true or false
A boat is traveling at 4.0 m/s as it passes the starting line of a race. If the boat accelerates at 1.0 
for 6.0 seconds, then the distance the boat has traveled after 6.0 seconds is
A. 42 m. B. 18 m. C. 26 m. D. 20 m. E. 14 m.
The half life of uranium-232 is 70 years. The time for 3/4 of a sample of uranium-232 to decay is 105 years
Indicate whether the statement is true or false